*, *:before, *:after {
    box-sizing: border-box;
  }
 
  .testimonials-section {
    background: #fff;
    height: 400px;
    position: relative;
    overflow: hidden;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-flow: row nowrap;
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
    -webkit-box-align: end;
    -webkit-align-items: flex-end;
    -ms-flex-align: end;
    align-items: flex-end;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
  .slider__nav {
    width: 12px;
    height: 12px;
    margin: 80px 12px;
    border-radius: 50%;
    z-index: 10;
    outline: 6px solid #ccc;
    outline-offset: -6px;
    box-shadow: 0 0 0 0 #333, 0 0 0 0 rgba(51, 51, 51, 0);
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
  .slider__nav:checked {
    -webkit-animation: check 0.4s linear forwards;
    animation: check 0.4s linear forwards;
  }
  .slider__nav:checked:nth-of-type(1) ~ .slider__inner {
    left: 0%;
  }
  .slider__nav:checked:nth-of-type(2) ~ .slider__inner {
    left: -100%;
  }
  .slider__nav:checked:nth-of-type(3) ~ .slider__inner {
    left: -200%;
  }
  .slider__nav:checked:nth-of-type(4) ~ .slider__inner {
    left: -300%;
  }
  .slider__nav:checked:nth-of-type(5) ~ .slider__inner {
    left: -400%;
  }
  .slider__inner {
    position: absolute;
    top: 20px;
    left: 0;
    width: 500%;
    height: auto;
    -webkit-transition: left 0.4s;
    transition: left 0.4s;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-flow: row nowrap;
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
  }
  .slider__contents {
    height: 100%;
    text-align: center;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    -webkit-flex-flow: column nowrap;
    -ms-flex-flow: column nowrap;
    flex-flow: column nowrap;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
  .slider__caption {
    font-size: 14px;
    color: #111;
    opacity: .5;
    font-family: 'Roboto';
    font-weight: bold;
  }
  .slider__txt {
    font-size: 22px;
    font-weight: bold;
    font-family: 'Roboto';
    line-height: 1.7;
    color: #111;
    margin-top: -20px;
    margin-bottom: 20px;
    max-width: 750px;
  }
  quote {
    font-family: 'Arial';
    font-weight: bold;
    font-size: 50px;
    color: #ec2027;
    margin-bottom: 0;
  }
  
  @-webkit-keyframes check {
    50% {
      outline-color: #333;
      box-shadow: 0 0 0 12px #333, 0 0 0 36px rgba(51, 51, 51, 0.2);
    }
    100% {
      outline-color: #333;
      box-shadow: 0 0 0 0 #333, 0 0 0 0 rgba(51, 51, 51, 0);
    }
  }
  
  @keyframes check {
    50% {
      outline-color: #333;
      box-shadow: 0 0 0 12px #333, 0 0 0 36px rgba(51, 51, 51, 0.2);
    }
    100% {
      outline-color: #333;
      box-shadow: 0 0 0 0 #333, 0 0 0 0 rgba(51, 51, 51, 0);
    }
  }